Noise Reduction Theory Applied to a Large Power Plant

by J. Parmakian,

Serial Information: Journal of the Power Division, 1962, Vol. 88, Issue 1, Pg. 19-38

Document Type: Journal Paper


Difficulty was experienced in conducting conversation even at close distances in turbine gallery of Hungry Horse Power Plant; specially designed enclosures were installed over turbine pits and acoustical absorption materials were applied on walls and ceiling of gallery; this produced noise reduction of approximately 14 db throughout all frequency ranges and effectively solved noise problem.

Subject Headings: Power plants | Noise pollution | Turbines | Livestock | Absorption | Walls | Ceilings

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